As regards to the article in the Guardian I can confirm that I've come across this several times before, in fact I'm pretty sure I've mentioned more than a few times the Sky delay of enabling adsl.
In particular my daughter had a hard time, Sky was ordered at the beginning of Dec, but it was February before they got their act together and before she eventually got broadband. Being a nethead she wasn't a happy bunny. I've taken many of the calls and tbh the first line support was completely useless and they made all sorts of promises that never came to fruition.
On one occasion I spoke to tech support, they tried to put the blame on BT, & they sent out a BT engineer to sort out the problem, but BToR couldnt do anything because the problem wasn't on the OR side. At one point I came back at them and said they should be able to sort it and asked for them to expedite the order with BT. Time after time they blamed BT to my daughter, but It was only after I asked them for a BT expedite that they admitted that they couldn't... and then finally admitted the problem was within their own system.
The following applies to their FMPF LLU only and from what I can gather is they put in a request for telephony to be enabled first. Obviously BTw do their bit and move the line over to the Sky handover frame at the exchange. Sky then use their own engineers* to enable the phone line* up to the Sky MSAN. Once the telephone is enabled the engineer reports back, and for some reason it can seem to 'sit around' for about a week- 10days before they then place the order for adsl. Repeat the above process waiting for the sky engineer to visit the exchange for the adsl side of things.
*I was told the sky engineer covers various exchanges and each exchange has its own nominated day of the week. Therefore say if your order has finally got through the system on a Monday, and your nominated exchange day is Monday, then its not going to be until the next monday before the engineer will hook up the adsl.
My friends daughter fairly recently had the similar on FMPF and it took sky 6 weeks to enable the broadband. Without doubt there is a big problem trying to get adsl on Skys FMP LLU in some areas :/
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"I have been in touch with Sky Broadand and after 40 minutes they could not tell me if the fibre option was available so i rang them They say it will probably be 2/3 months before BT let them know it is on line or available to Sky customers as they want to sign up BT customers first "
Hmmmmmm surely Sky have access to the BTw database?
Im also pretty sure if the above was the case then OFCOM would come down on BT like a ton of bricks. As you know BToR/BTw are the wholesalers and the service is available to Service Providers. BT retail that supplies Infinity to the EU does not have any preferential treatment over and above any of the other SPs.
Try asking someone like
azzaka to see if Zen would know and be able to get FTTC enabled on that particular line, then you may have a much better idea of the truth.